Patents by Inventor Akihisa Maeda

Akihisa Maeda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PLASMINOGEN ACTIVATOR INHIBITOR-1 INHIBITOR
    Publication number: 20140296256
    Abstract: The present invention provides a novel compound having plasminogen activator inhibitor-1 inhibitory activity, and an inhibitor of PAI-1 comprising the compound as an active ingredient. The present invention also provides a pharmaceutical composition having an inhibitory action on PAI-1 activity and being efficacious in the prevention and treatment of various diseases whose onset is associated with PAI-1 activity.
    Type: Application
    Filed: June 17, 2014
    Publication date: October 2, 2014
    Inventors: Toshio MIYATA, Kenji MURANO, Nagahisa YAMAOKA, Akihisa MAEDA
  • Plasminogen activator inhibitor-1 inhibitor
    Patent number: 8785473
    Abstract: The present invention provides a novel compound having plasminogen activator inhibitor-1 inhibitory activity, and an inhibitor of PAI-1 comprising the compound as an active ingredient. The present invention also provides a pharmaceutical composition having an inhibitory action on PAI-1 activity and being efficacious in the prevention and treatment of various diseases whose onset is associated with PAI-1 activity.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 22, 2014
    Assignee: Renascience Co., Ltd.
    Inventors: Toshio Miyata, Kenji Murano, Nagahisa Yamaoka, Akihisa Maeda
  • Plasminogen Activator Inhibitor-1 Inhibitor
    Publication number: 20120022080
    Abstract: The present invention provides a novel compound having plasminogen activator inhibitor-1 inhibitory activity, and an inhibitor of PAI-1 comprising the compound as an active ingredient. The present invention also provides a pharmaceutical composition having an inhibitory action on PAI-1 activity and being efficacious in the prevention and treatment of various diseases whose onset is associated with PAI-1 activity.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 26, 2012
    Applicant: RENASCIENCE CO., LTD.
    Inventors: Toshio Miyata, Kenji Murano, Nagahisa Yamaoka, Akihisa Maeda
  • NOVEL DIHYDROTRIAZINE DERIVATIVE
    Publication number: 20110207926
    Abstract: A compound represented by formula (1), a tautomer thereof, or a salt of the compound or tautomer, which is useful as a bactericide/disinfectant. In the formula, R1 represents a hydrogen atom, an optionally substituted alkyl group or the like, R2 represents a hydrogen atom or an optionally substituted alkyl group, or alternatively R1 and R2 may combine together with an adjacent nitrogen atom to form an optionally substituted nitrogen-containing heterocyclic group; R4 represents a hydrogen atom or an optionally substituted alkyl group; R3 represents an optionally substituted alkyl group; and R5 and R6 each represents a hydrogen atom or a methyl group, excluding a compound wherein both R2 and R4 represent a hydrogen atom and a compound wherein both R1 and R4 represent a hydrogen atom are excluded.
    Type: Application
    Filed: August 24, 2009
    Publication date: August 25, 2011
    Applicant: HAMARI CHEMICALS, LTD.
    Inventors: Shirou Maeda, Akihisa Maeda